SetaPDF v2 API Reference

Index

\SetaPDF
1. Core
2. Core
  1. DataStructure
    1. Color
    2. Color

SetaPDF_Core_DataStructure_Color_Gray Gray Color

File: /SetaPDF v2/Core/DataStructure/Color/Gray.php

Class hierarchy

SetaPDF_Core_DataStructure_Color
- SetaPDF_Core_DataStructure_Color_Gray

Implements

SetaPDF_Core_DataStructure_DataStructureInterface

Summary

Static Methods

createByComponents()
hexToRgb()
writePdfString()
writePdfStringByComponents()

Methods

__construct()
__clone()
adjustAllComponents()
draw()
getValue()
toPhp()

Properties

$_components

Properties

$_components

protected SetaPDF_Core_Type_Array SetaPDF_Core_DataStructure_Color::$_components

The array of color components

Static Methods

createByComponents()

public static SetaPDF_Core_DataStructure_Color::createByComponents (

int|float|string|array|SetaPDF_Core_Type_Array $components

): SetaPDF_Core_DataStructure_Color

Create an instance by a PDF array object, PHP array or a hexadecimal string of an RGB value.

Parameters

$components : int|float|string|array|SetaPDF_Core_Type_Array: The count of $components define the color space (1 - gray, 3 - RGB, 4 - CMYK). The color values must be between 0 and 1.
It is also possible to pass a hexadecimal string of an RGB value. The string need to be prefixed by a sharp (#).

Exceptions

Throws InvalidArgumentException

hexToRgb()

public static SetaPDF_Core_DataStructure_Color::hexToRgb (

string $hex

): array

Converts a hex encoded string into a component array of red, green and blue values.

Parameters

$hex : string

writePdfString()

public static SetaPDF_Core_DataStructure_Color_Gray::writePdfString (

SetaPDF_Core_WriteInterface $writer, array|float $components [, boolean $stroking = true ]

): void

Writes a color definition directly to a writer.

Parameters

$writer : SetaPDF_Core_WriteInterface
$components : array|float: An array of 1 component or the value for the gray color
$stroking : boolean: Stroking flag

Exceptions

Throws InvalidArgumentException

writePdfStringByComponents()

public static SetaPDF_Core_DataStructure_Color::writePdfStringByComponents (

SetaPDF_Core_WriteInterface $writer, array|int|float|string $components [, bool $stroking = true ]

): void

Writes a color definition directly to a writer.

Parameters

$writer : SetaPDF_Core_WriteInterface
$components : array|int|float|string
$stroking : bool

Exceptions

Throws InvalidArgumentException

Methods

__construct()

public SetaPDF_Core_DataStructure_Color_Gray::__construct (

float|SetaPDF_Core_Type_Array $components

)

The constructor.

Parameters

$components : float|SetaPDF_Core_Type_Array

Exceptions

Throws InvalidArgumentException

__clone()

public SetaPDF_Core_DataStructure_Color::__clone (

void

): void

Implementation of __clone().

adjustAllComponents()

public SetaPDF_Core_DataStructure_Color::adjustAllComponents (

int|float $by

): void

Adjust all color components by a specific value.

Parameters

$by : int|float

draw()

public SetaPDF_Core_DataStructure_Color_Gray::draw (

SetaPDF_Core_WriteInterface $writer [, boolean $stroking = true ]

): void

Draw the color on a writer.

Parameters

$writer : SetaPDF_Core_WriteInterface
$stroking : boolean

See

SetaPDF_Core_DataStructure_Color_Gray::writePdfString()

getValue()

public SetaPDF_Core_DataStructure_Color::getValue (

void

): SetaPDF_Core_Type_Array

Get the components of the color.

toPhp()

public SetaPDF_Core_DataStructure_Color::toPhp (

void

): array

Get the data as a PHP value.